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| author | Mike Frysinger <vapier@gentoo.org> | 2011-03-29 05:44:56 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-03-29 05:44:56 +0000 |
| commit | 0be99d4ba6c89dca6bbee981c7b89d506f344a40 (patch) | |
| tree | 4b130dba7e507d24f9a4b86e2c8c6ee14e83b1a4 /gas/config/bfin-parse.y | |
| parent | c3a7b1206d72edcfeb965fdbd6cfd0c9d0100eba (diff) | |
| download | gdb-0be99d4ba6c89dca6bbee981c7b89d506f344a40.zip gdb-0be99d4ba6c89dca6bbee981c7b89d506f344a40.tar.gz gdb-0be99d4ba6c89dca6bbee981c7b89d506f344a40.tar.bz2 | |
gas: blackfin: gas: blackfin: reject invalid BYTEOP16P insns
The destination registers must be different with BYTEOP16P insns,
otherwise the hardware throws up an exception. So reject them.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'gas/config/bfin-parse.y')
| -rw-r--r-- | gas/config/bfin-parse.y | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gas/config/bfin-parse.y b/gas/config/bfin-parse.y index fa81a61..12e7525 100644 --- a/gas/config/bfin-parse.y +++ b/gas/config/bfin-parse.y @@ -831,6 +831,8 @@ asm_1: { if (!IS_DREG ($2) || !IS_DREG ($4)) return yyerror ("Dregs expected"); + else if (REG_SAME ($2, $4)) + return yyerror ("Illegal dest register combination"); else if (!valid_dreg_pair (&$9, $11)) return yyerror ("Bad dreg pair"); else if (!valid_dreg_pair (&$13, $15)) |